Address warnings from Inno Setup 6, indluding support for both
"administrative" and "non administrative" install modes (!).

This means, if you have not installed SyncTERM previously, you should have an
option to install for "All users" (requiring administrative rights) or
"Just You".

When installing in non-administrative mode ("Just You"), the program will be
installed in your user "Programs" folder, e.g.
 C:\Users\<yourname>\AppData\Local\Programs\SyncTERM

If you previously installed SyncTERM in the common "Program Files" or
"Program File (x86)" directories (which assuming administrative mode, the
only install mode previously), then the installer will install again to
that same location (and require administrative access).

I'm still including a syncterm.lst download option (using curl.exe) because
the Web List feature is not working so great in v1.5. That option should
go away in the next release.